Luminary
Luminary , noun
[French luminaire, Latin luminare a light or lamp, which was lighted in the churches, a luminary, from lumen, luminis, light, from lucere to be light, to shine, lux, lucis, light. See Light.]
1.
Any body that gives light, especially one of the heavenly bodies.
Radiant luminary.
Where the great luminary...
Dispenses light from far.
2.
One who illustrates any subject, or enlightens mankind; as, Newton was a distinguished luminary.